function getParams()
{
	var sURL = window.document.URL.toString();
	
	var arrParams = sURL.split("?");
		
	var arrURLParams = arrParams[1].split("&");
	
	var paramHash = {};

	var i = 0;
	for (i=0;i<arrURLParams.length;i++)
	{
		var sParam =  arrURLParams[i].split("=");
		
		paramHash[sParam[0]] = sParam[1];
	}
	
	return paramHash;
}

function isZipChar(charCode)
{
	return ((charCode >= "0".charCodeAt(0))
		&&(charCode <= "9".charCodeAt(0)))
		||(charCode == "-".charCodeAt(0));
}